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- 17 -
CALIBRATE IQ BLOWER
SYSTEM
TM
INTERNAL BLOWER DUCTED UNITS ONLY
After the hood is installed and wired,
engage the calibration process (our
Guaranteed Performance System
Technology to ensure full-rated airflow is
being delivered). Prior to calibration, ensure
that all filters, light bulbs and duct system
are installed.
CALIBRATION PROCESS Fig. 25.
Hold the calibration button for 3 seconds;
calibration button will light up and stay on
for up to 13 minutes. The blower will start
and begin the calibration process. When
calibration is complete, one of two things
will occur:
1. The blower turns off and calibration
button light stays on = Successful
calibration. Press the button to turn off
the LED. Note: The LED will also turn off
if you select any blower speed on the
control.
2. The blower turns off and calibration
button light blinks continuously = Too
much restriction in the ductwork is
preventing the IQ Blower System™ from
achieving the rated airflow. The blower is
automatically set to maximum intensity.
NOTE: Common items that cause
restrictions: restricted damper flap
(backdraft damper, wall cap, roof cap),
too many elbows, duct size less than
80% of hood outlet, poor transition, use
of flex ducting and/or crushed ducting.
FIG.25
CALIBRATION
BUTTON
CALIBRATION
LIGHT
Three options are available if your hood
system has too much restriction:
1. Accept airflow as is.
a. Press the calibration button to
accept airflow as is. The IQ Blower
System™ is now configured to the
highest possible performance. The
blinking calibration light goes out.
Note: The LED will also turn off if
you select any blower speed on
the control.
2. Correct duct restriction, clear the
original calibration data, and repeat
the calibration process.
a. Correct the duct restriction.
b. Clear the original calibration data
by holding calibration button for
10 seconds. The light will blink 3
times to confirm and the blower
configuration will go back to default
settings.
c. Repeat calibration process from
the beginning.
3. Clear calibration data to reset hood
to default factory setting and achieve
standard high pressure blower
performance.
a. Clear calibration data and reset
hood to factory default setting
by holding calibration button for
10 seconds. The light will blink 3
times to confirm and the blower
configuration will go back to default
settings.
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